/**
 */
package Servlet;

import Control.CPlace;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.json.JSONArray;

/**
 *
 * POI点查询
 * 查询社区周围的POI点
 * 必要参数：name 或 types
 * @author Administrator
 */
public class POISearch extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
   response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            Map map = request.getParameterMap();
            if(map.containsKey("name"))
            {
                 String name = request.getParameter("name");
                 name =new String(name.getBytes("ISO8859-1"),"UTF-8");
              
                CPlace cp=new CPlace();
               JSONArray json=JSONArray.fromObject(cp.SearchByName(name));
               out.print(json);
            }
            else if(map.containsKey("type"))
            {
               String type=request.getParameter("type");
                CPlace cp=new CPlace();
               JSONArray json=JSONArray.fromObject(cp.SearchByType(type));
               out.print(json);
            }
            else
            {
                out.print("ERROR");
            }
            
            
            
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
